Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
52°F
11°C
| Humidity | 98% |
| Wind Speed | Calm |
| Barometer | 29.94 in (1014.1 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 11:55 pm CDT |
Extended Forecast for
3 Miles NNE Ontario WI
Overnight
Low: 52 °F
Mostly Cloudy
Monday
High: 78 °F
Mostly Sunny
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 79 °F
Sunny then
Slight Chance
ShowersTuesday Night
Low: 59 °F
Chance
T-storms then
ShowersWednesday
High: 79 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 54 °F
Partly Cloudy
Thursday
High: 75 °F
Mostly Sunny
Thursday Night
Low: 53 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 52. Calm wind.
Monday
Mostly sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52. Calm wind.
Tuesday
A slight chance of showers between 1pm and 3pm. Mostly sunny, with a high near 79. Calm wind. Chance of precipitation is 20%.
Tuesday Night
A chance of thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 59. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southwest wind 5 to 8 mph becoming west in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 53. Light north wind.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 77. Calm wind.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. Calm wind.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 85. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 25 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Ontario WI
43.77°N 90.55°W
43.77°N 90.55°W
10:36 pm CDT Jun 21, 2026
12am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
